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Etiology

Double-Stranded RNA in Strawberry Plants Infected with Strawberry Mild Yellow-Edge Virus. Sara Spiegel, Virus Laboratory, Agricultural Research Organization, The Volcani Center, Bet Dagan 50-250, Israel; Phytopathology 77:1492-1494. Accepted for publication 1 May 1987. Copyright 1987 The American Phytopathological Society. DOI: 10.1094/Phyto-77-1492.

Double-stranded RNA (dsRNA) has been isolated from strawberry plants infected with strawberry mild yellow-edge virus but not from virus-tested plants. Three major dsRNA bands were present in 20 independent extractions from two cultivars. These bands had relative molecular masses of 3.8, 2.8, and 1.3 × 10⁶ Da. These dsRNA species are similar to those previously reported for dsRNA from plants infected with the well-characterized luteoviruses barley yellow dwarf virus and beet western yellows virus.